A232398 - cp's OEIS frontend

A232398 Number of ways to write n = p + (2^k - k) + (2^m - m) with p prime and 0 < k <= m.

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	2
8	2
9	4
10	2
11	2
12	2
13	3
14	2
15	4
16	3
17	4
18	2
19	4
20	4
21	4
22	2
23	3
24	3
25	3
26	4
27	4
28	1
29	3
30	4
31	5
32	3
33	5
34	4
35	5
36	4
37	4
38	1
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	3
50	4
51	5
52	2
53	3
54	3
55	4
56	4
57	5
58	3
59	3
60	4
61	6
62	4
63	5
64	3
65	7
66	5
67	5
68	3
69	4
70	6
71	6
72	4
73	7
74	4
75	6
76	6
77	7
78	3
79	3
80	4
81	5
82	5
83	6
84	2
85	6
86	5
87	5
88	4
89	5
90	5
91	5
92	5
93	5
94	1
95	4
96	6
97	4
98	2
99	5
100	6

[0, 0, 0, 1, 2, 2, 2, 2, 4, 2, 2, 2, 3, 2, 4, 3, 4, 2, 4, 4, 4, 2, 3, 3, 3, 4, 4, 1, 3, 4, 5, 3, 5, 4, 5, 4, 4, 1, 4, 3, 5, 3, 5, 4, 5, 4, 5, 3, 3, 4, 5, 2, 3, 3, 4, 4, 5, 3, 3, 4, 6, 4, 5, 3, 7, 5, 5, 3, 4, 6, 6, 4, 7, 4, 6, 6, 7, 3, 3, 4, 5, 5, 6, 2, 6, 5, 5, 4, 5, 5, 5, 5, 5, 1, 4, 6, 4, 2, 5, 6]

cp's OEIS Frontend

A232398 Number of ways to write n = p + (2^k - k) + (2^m - m) with p prime and 0 < k <= m.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	2
8	2
9	4
10	2
11	2
12	2
13	3
14	2
15	4
16	3
17	4
18	2
19	4
20	4
21	4
22	2
23	3
24	3
25	3
26	4
27	4
28	1
29	3
30	4
31	5
32	3
33	5
34	4
35	5
36	4
37	4
38	1
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	3
50	4
51	5
52	2
53	3
54	3
55	4
56	4
57	5
58	3
59	3
60	4
61	6
62	4
63	5
64	3
65	7
66	5
67	5
68	3
69	4
70	6
71	6
72	4
73	7
74	4
75	6
76	6
77	7
78	3
79	3
80	4
81	5
82	5
83	6
84	2
85	6
86	5
87	5
88	4
89	5
90	5
91	5
92	5
93	5
94	1
95	4
96	6
97	4
98	2
99	5
100	6

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	2
8	2
9	4
10	2
11	2
12	2
13	3
14	2
15	4
16	3
17	4
18	2
19	4
20	4
21	4
22	2
23	3
24	3
25	3
26	4
27	4
28	1
29	3
30	4
31	5
32	3
33	5
34	4
35	5
36	4
37	4
38	1
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	3
50	4
51	5
52	2
53	3
54	3
55	4
56	4
57	5
58	3
59	3
60	4
61	6
62	4
63	5
64	3
65	7
66	5
67	5
68	3
69	4
70	6
71	6
72	4
73	7
74	4
75	6
76	6
77	7
78	3
79	3
80	4
81	5
82	5
83	6
84	2
85	6
86	5
87	5
88	4
89	5
90	5
91	5
92	5
93	5
94	1
95	4
96	6
97	4
98	2
99	5
100	6

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	2
8	2
9	4
10	2
11	2
12	2
13	3
14	2
15	4
16	3
17	4
18	2
19	4
20	4
21	4
22	2
23	3
24	3
25	3
26	4
27	4
28	1
29	3
30	4
31	5
32	3
33	5
34	4
35	5
36	4
37	4
38	1
39	4
40	3
41	5
42	3
43	5
44	4
45	5
46	4
47	5
48	3
49	3
50	4
51	5
52	2
53	3
54	3
55	4
56	4
57	5
58	3
59	3
60	4
61	6
62	4
63	5
64	3
65	7
66	5
67	5
68	3
69	4
70	6
71	6
72	4
73	7
74	4
75	6
76	6
77	7
78	3
79	3
80	4
81	5
82	5
83	6
84	2
85	6
86	5
87	5
88	4
89	5
90	5
91	5
92	5
93	5
94	1
95	4
96	6
97	4
98	2
99	5
100	6